Source/cmTargetCompileFeaturesCommand.cxx

   1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2    file Copyright.txt or https://cmake.org/licensing for details.  */
   3 #include "cmTargetCompileFeaturesCommand.h"
   4
   5 #include "cmMakefile.h"
   6 #include "cmMessageType.h"
   7 #include "cmStandardLevelResolver.h"
   8 #include "cmStringAlgorithms.h"
   9 #include "cmTargetPropCommandBase.h"
  10
  11 class cmTarget;
  12
  13 namespace {
  14
  15 class TargetCompileFeaturesImpl : public cmTargetPropCommandBase
  16 {
  17 public:
  18   using cmTargetPropCommandBase::cmTargetPropCommandBase;
  19
  20 private:
  21   void HandleMissingTarget(const std::string& name) override
  22   {
  23     this->Makefile->IssueMessage(
  24       MessageType::FATAL_ERROR,
  25       cmStrCat("Cannot specify compile features for target \"", name,
  26                "\" which is not built by this project."));
  27   }
  28
  29   bool HandleDirectContent(cmTarget* tgt,
  30                            const std::vector<std::string>& content,
  31                            bool /*prepend*/, bool /*system*/) override
  32   {
  33     cmStandardLevelResolver standardResolver(this->Makefile);
  34     for (std::string const& it : content) {
  35       std::string error;
  36       if (!standardResolver.AddRequiredTargetFeature(tgt, it, &error)) {
  37         this->SetError(error);
  38         return false; // Not (successfully) handled.
  39       }
  40     }
  41     return true; // Successfully handled.
  42   }
  43
  44   std::string Join(const std::vector<std::string>& content) override
  45   {
  46     return cmJoin(content, ";");
  47   }
  48 };
  49
  50 } // namespace
  51
  52 bool cmTargetCompileFeaturesCommand(std::vector<std::string> const& args,
  53                                     cmExecutionStatus& status)
  54 {
  55   return TargetCompileFeaturesImpl(status).HandleArguments(args,
  56                                                            "COMPILE_FEATURES");
  57 }